package mitlab.seg.ner.domain;

import java.io.Serializable;
import mitlab.seg.ner.library.NatureLibrary;

/**
 * 一个词里面会有一些词性
 * 
 */
public class TermNature implements Serializable {
  /**
   * 
   */
  private static final long serialVersionUID = 5538058744208591381L;
  /**
   * 系统内置的几个
   */
  public static final TermNature M = new TermNature("m", 1);
  public static final TermNature EN = new TermNature("en", 1);
  public static final TermNature BEGIN = new TermNature("始##始", 1);
  public static final TermNature END = new TermNature("末##末", 1);
  public static final TermNature USER_DEFINE = new TermNature("userDefine", 1);
  public static final TermNature NR = new TermNature("nr", 1);
  public static final TermNature NT = new TermNature("nt", 1);
  public static final TermNature NS = new TermNature("ns", 1);
  public static final TermNature NW = new TermNature("nw", 1);
  public static final TermNature NRF = new TermNature("nrf", 1);
  public static final TermNature NULL = new TermNature("null", 1);

  public Nature nature;

  public int frequency;

  public TermNature(String natureStr, int frequency) {
    this.nature = NatureLibrary.getNature(natureStr);
    this.frequency = frequency;
  }

  @Override
  public String toString() {
    return nature.natureStr + "/" + frequency;
  }
}
